94 lines
4.6 KiB
C
94 lines
4.6 KiB
C
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/* ----------------------------------------------------------------------
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* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
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*
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* $Date: 17. January 2013
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* $Revision: V1.4.1
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*
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* Project: CMSIS DSP Library
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* Title: arm_common_tables.h
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*
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* Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
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*
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* Target Processor: Cortex-M4/Cortex-M3
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of ARM LIMITED nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* -------------------------------------------------------------------- */
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#ifndef _ARM_COMMON_TABLES_H
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#define _ARM_COMMON_TABLES_H
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#include "arm_math.h"
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extern const uint16_t armBitRevTable[1024];
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extern const q15_t armRecipTableQ15[64];
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extern const q31_t armRecipTableQ31[64];
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extern const q31_t realCoefAQ31[1024];
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extern const q31_t realCoefBQ31[1024];
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extern const float32_t twiddleCoef_16[32];
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extern const float32_t twiddleCoef_32[64];
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extern const float32_t twiddleCoef_64[128];
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extern const float32_t twiddleCoef_128[256];
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extern const float32_t twiddleCoef_256[512];
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extern const float32_t twiddleCoef_512[1024];
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extern const float32_t twiddleCoef_1024[2048];
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extern const float32_t twiddleCoef_2048[4096];
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extern const float32_t twiddleCoef_4096[8192];
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#define twiddleCoef twiddleCoef_4096
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extern const q31_t twiddleCoefQ31[6144];
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extern const q15_t twiddleCoefQ15[6144];
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extern const float32_t twiddleCoef_rfft_32[32];
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extern const float32_t twiddleCoef_rfft_64[64];
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extern const float32_t twiddleCoef_rfft_128[128];
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extern const float32_t twiddleCoef_rfft_256[256];
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extern const float32_t twiddleCoef_rfft_512[512];
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extern const float32_t twiddleCoef_rfft_1024[1024];
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extern const float32_t twiddleCoef_rfft_2048[2048];
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extern const float32_t twiddleCoef_rfft_4096[4096];
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#define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
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#define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
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#define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
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#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
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#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
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#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
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#define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
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#define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
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#define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
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extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH];
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extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH];
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#endif /* ARM_COMMON_TABLES_H */
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